11920220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 28675584

約数和(自身を除く): 16755364

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 127, 130, 190, 247, 254, 260, 361, 380, 494, 508, 635, 722, 988, 1235, 1270, 1444, 1651, 1805, 2413, 2470, 2540, 3302, 3610, 4693, 4826, 4940, 6604, 7220, 8255, 9386, 9652, 12065, 16510, 18772, 23465, 24130, 31369, 33020, 45847, 46930, 48260, 62738, 91694, 93860, 125476, 156845, 183388, 229235, 313690, 458470, 596011, 627380, 916940, 1192022, 2384044, 2980055, 5960110, 11920220]

約数ペア:

[(1, 11920220), (2, 5960110), (4, 2980055), (5, 2384044), (10, 1192022), (13, 916940), (19, 627380), (20, 596011), (26, 458470), (38, 313690), (52, 229235), (65, 183388), (76, 156845), (95, 125476), (127, 93860), (130, 91694), (190, 62738), (247, 48260), (254, 46930), (260, 45847), (361, 33020), (380, 31369), (494, 24130), (508, 23465), (635, 18772), (722, 16510), (988, 12065), (1235, 9652), (1270, 9386), (1444, 8255), (1651, 7220), (1805, 6604), (2413, 4940), (2470, 4826), (2540, 4693), (3302, 3610)]